[DO NOT MERGE] Updating Security String to 2017-03-05 on klp-dev b/34345751 am: 3597d69559 am: 97c071f5ae am: 61c5e5075c  -s ours
am: 074c3265aa  -s ours

Change-Id: I4b0a32711487dc322a10175211049df6983a1a05